<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>vue</title>
    <script src='https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js'></script>
</head>

<body>
    <div id='app'>
        <!-- https://ant.design/components/drawer-cn/#header -->
        <!-- 模拟 vs-code ，点击资源管理器，则显示/隐藏项目 -->
        <div style="background-color: red;">
            <button @click="isShow=!isShow">管理器</button>--导航栏
        </div>
        <ul v-show="isShow" style="background-color: yellowgreen;">
            <li>day01</li>
            <li>day02</li>
            <li>day03</li>
            <li>day04</li>
        </ul>
    </div>
</body>
<script>
    let vm = new Vue({
        el: '#app',
        data: {
            isShow: true,
        },
        methods: {

        }
    });
</script>

</html>